From b3339a6617ffd7b8358c83348e6ccfa8eba2eb92 Mon Sep 17 00:00:00 2001
From: Howaner <franzi.moos@googlemail.com>
Date: Fri, 21 Feb 2014 22:26:04 +0100
Subject: [PATCH] Better Jukebox API

---
 src/BlockEntities/JukeboxEntity.cpp | 54 ++++++++++++++++++++---------
 src/BlockEntities/JukeboxEntity.h   | 16 +++++++--
 src/BlockID.h                       |  4 +++
 3 files changed, 55 insertions(+), 19 deletions(-)

diff --git a/src/BlockEntities/JukeboxEntity.cpp b/src/BlockEntities/JukeboxEntity.cpp
index 33042179d..c96253b11 100644
--- a/src/BlockEntities/JukeboxEntity.cpp
+++ b/src/BlockEntities/JukeboxEntity.cpp
@@ -30,48 +30,70 @@ cJukeboxEntity::~cJukeboxEntity()
 
 void cJukeboxEntity::UsedBy(cPlayer * a_Player)
 {
-	if (m_Record == 0)
-	{
-		const cItem & HeldItem = a_Player->GetEquippedItem();
-		if (HeldItem.m_ItemType >= 2256 && HeldItem.m_ItemType <= 2267)
-		{
-			m_Record = HeldItem.m_ItemType;
-			a_Player->GetInventory().RemoveOneEquippedItem();
-			PlayRecord();
-		}
-	}
-	else
+	if (IsPlayingRecord())
 	{
 		EjectRecord();
 	}
+	else
+	{
+		const cItem & HeldItem = a_Player->GetEquippedItem();
+		if (PlayRecord(HeldItem.m_ItemType))
+		{
+			a_Player->GetInventory().RemoveOneEquippedItem();
+		}
+	}
 }
 
 
 
 
 
-void cJukeboxEntity::PlayRecord(void)
+bool cJukeboxEntity::PlayRecord(int a_Record)
 {
+	if (!IsRecordItem(a_Record))
+	{
+		// This isn't a Record Item
+		return false;
+	}
+	if (IsPlayingRecord())
+	{
+		// A Record is already in the Jukebox.
+		EjectRecord();
+	}
+	m_Record = a_Record;
 	m_World->BroadcastSoundParticleEffect(1005, m_PosX, m_PosY, m_PosZ, m_Record);
+	m_World->SetBlockMeta(m_PosX, m_PosY, m_PosZ, E_META_JUKEBOX_ON);
+	return true;
 }
 
 
 
 
 
-void cJukeboxEntity::EjectRecord(void)
+bool cJukeboxEntity::EjectRecord(void)
 {
-	if ((m_Record < E_ITEM_FIRST_DISC) || (m_Record > E_ITEM_LAST_DISC))
+	if (!IsPlayingRecord())
 	{
 		// There's no record here
-		return;
+		return false;
 	}
 
 	cItems Drops;
 	Drops.push_back(cItem(m_Record, 1, 0));
+	m_Record = 0;
 	m_World->SpawnItemPickups(Drops, m_PosX + 0.5, m_PosY + 1, m_PosZ + 0.5, 8);
 	m_World->BroadcastSoundParticleEffect(1005, m_PosX, m_PosY, m_PosZ, 0);
-	m_Record = 0;
+	m_World->SetBlockMeta(m_PosX, m_PosY, m_PosZ, E_META_JUKEBOX_OFF);
+	return true;
+}
+
+
+
+
+
+bool cJukeboxEntity::IsPlayingRecord(void)
+{
+	return (m_Record != 0);
 }
 
 
diff --git a/src/BlockEntities/JukeboxEntity.h b/src/BlockEntities/JukeboxEntity.h
index 734d7bb66..01ce52494 100644
--- a/src/BlockEntities/JukeboxEntity.h
+++ b/src/BlockEntities/JukeboxEntity.h
@@ -37,10 +37,20 @@ public:
 	
 	int  GetRecord(void);
 	void SetRecord(int a_Record);
-	void PlayRecord(void);
 	
-	/// Ejects the currently held record as a pickup. Does nothing when no record inserted.
-	void EjectRecord(void);
+	/** Play a Record. Return false, when a_Record isn't a Record */
+	bool PlayRecord(int a_Record);
+	
+	/** Ejects the currently held record as a pickup. Return false when no record inserted. */
+	bool EjectRecord(void);
+	
+	/** Is in the Jukebox a Record? */
+	bool IsPlayingRecord(void);
+	
+	static bool IsRecordItem(int a_Item)
+	{
+		return ((a_Item >= E_ITEM_FIRST_DISC) && (a_Item <= E_ITEM_LAST_DISC));
+	}
 	
 	// tolua_end
 
diff --git a/src/BlockID.h b/src/BlockID.h
index 3413555f4..861bb8dae 100644
--- a/src/BlockID.h
+++ b/src/BlockID.h
@@ -466,6 +466,10 @@ enum
 	E_META_FLOWER_PINK_TULIP      = 7,
 	E_META_FLOWER_OXEYE_DAISY     = 8,
 	
+	// E_BLOCK_JUKEBOX metas
+	E_META_JUKEBOX_OFF            = 0,
+	E_META_JUKEBOX_ON             = 1,
+	
 	// E_BLOCK_HOPPER metas:
 	E_META_HOPPER_FACING_YM  = 0,
 	E_META_HOPPER_UNATTACHED = 1,  // Hopper doesn't move items up, there's no YP